circumference
Pronunciation
Noun
B1 Intermediate
Quick answer
The distance around the outside edge of a circle.
Usage notes
"Circumference" is used specifically for circles and spheres, while "perimeter" is the general term for the distance around any shape.
Test yourself
Which word fits the gap? "She measured the _____ of the tree trunk with a piece of string."
Answer: circumference
In your own words, what does "circumference" mean?
The distance around the outside edge of a circle.
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